remcos | 52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960

Analysis

max time kernel
148s
max time network
147s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 12:51

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General

Target

52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe
Size

6.3MB
MD5

7b9956e820cfd64a02a13af88b5237af
SHA1

ccb27bc5570fd160601d8009727296a12c579f66
SHA256

52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960
SHA512

51e91c696d9cd25a1cf99cec15b412dffc1dc70046431a1254dc42d623a557a6438e42588debab3332c4afcfc57485d01b1beb740fcb24fbd9b78dc53e4a0bdc
SSDEEP

24576:sjLAQlWpXO17Q2G4rWgnfeZ79HK+6aAsYsxY90n+Y+2JnsWW3Ff/F5VWdXHb1h6P:MAQlWpXk02Ygp9E+2JnsWWZ

Score

10^/10

remcos 4runhost persistence rat upx

Malware Config

Extracted

Family

remcos

Botnet

4RunHost

juderule.africa:3395

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Host.exe
copy_folder
Host
delete_file
true
hide_file
true
hide_keylog_file
true
install_flag
false
install_path
%WinDir%\System32
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_folder
vlc
keylog_path
%AppData%
mouse_option
false
mutex
Rmc-EEEPBA
screenshot_crypt
true
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1560-4908-0x0000000000400000-0x000000000048A000-memory.dmp	upx
behavioral1/memory/1560-4919-0x0000000000400000-0x000000000048A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hyfot = "C:\\Users\\Admin\\AppData\\Roaming\\Hyfot.exe"	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 1560	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe	28

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe
Token: SeDebugPrivilege	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1560	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 1560	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe	28
PID 2216 wrote to memory of 1560	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe	28
PID 2216 wrote to memory of 1560	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe	28
PID 2216 wrote to memory of 1560	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe	28
PID 2216 wrote to memory of 1560	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe	28
PID 2216 wrote to memory of 1560	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe	28
PID 2216 wrote to memory of 1560	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe	28
PID 2216 wrote to memory of 1560	2216	52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe	28

C:\Users\Admin\AppData\Local\Temp\52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe
"C:\Users\Admin\AppData\Local\Temp\52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe
  "C:\Users\Admin\AppData\Local\Temp\52a37eb90b8f3a1d164717415b58cf9bac1db1caa1f8aa57224089811cf50960.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1560-4908-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/1560-4919-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/2216-62-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-3-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-56-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-10-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-12-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-14-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-6-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-58-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-16-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-20-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-24-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-22-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2216-26-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-28-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-30-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-34-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-60-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-66-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-64-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-18-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-4-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-8-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-54-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-52-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-50-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-48-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-46-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-44-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-42-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-40-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-4890-0x0000000000C90000-0x0000000000CDC000-memory.dmp

Filesize
304KB

Download
memory/2216-4889-0x0000000000730000-0x00000000007BE000-memory.dmp

Filesize
568KB

Download
memory/2216-38-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-37-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-4892-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-4891-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-32-0x0000000006190000-0x00000000063DC000-memory.dmp

Filesize
2.3MB

Download
memory/2216-4893-0x00000000048C0000-0x0000000004914000-memory.dmp

Filesize
336KB

Download
memory/2216-2-0x0000000006190000-0x00000000063E2000-memory.dmp

Filesize
2.3MB

Download
memory/2216-4914-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-1-0x0000000000D60000-0x00000000013B4000-memory.dmp

Filesize
6.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads